Komatsu — PRECAUTIONS FOR INSPECTION AND MAINTENANCE

.

SAFETY PRECAUTIONS FOR MAINTENANCE PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2 - 35 PRECAUTIONS WHEN WELDIN Welding operations must al ways be carried out by a qualified w elder and in a place equip ped with proper equipment There is a hazard of gas, fir e, or electrocution when carrying o ut welding, so never allo w any unqualified personne to HANDLING BATTERY Before inspecting or handli ng the battery, turn the key i n the starting switch to the OFF When installing the batte ry disconnector switch, turn the b attery disconnector switc For details, see "HANDL ING BATTERY DISCONNECTOR SWITCH (PAGE 3-67)" Danger of battery exploding When the battery is bein generated and may explo includes dilute sulphuric cause serious personal observe the following.

Do not use or charge below the LOWER LE Always carry out perio level, and add distill battery filler solution) Do not smoke or bring Hydrogen gas is ge charged, so remove t a well-ventilated plac out the charging. After charging, tighten When the battery is bein g charged, flammable hydrogen g as is generated and may explo de. In addition, the battery electrolyte includes dilute sulphuric cause serious personal acid. Any mistake in handling may injury, explosion, or fire, so always the battery if the battery electrolyte is may ways observe the following. Do not use or charge VEL mark. This will cause explosion.

dic inspection of the battery electrolyte ed water (or commercially to the UPPER LEVEL mark. Do not smoke or bring Hydrogen gas is ge nerated when the battery eing he battery from the machine , take it to e, remove the battery caps, then carry the battery caps securely. then carry After charging, tighten Danger from dilute sulphuri c acid When the battery is bein generated and may explo includes dilute sulphuric cause serious personal observe the following. When handling the ba and rubber gloves.

If battery electrolyte g your eyes with large a medical attention imm If battery electrolyte g immediately with larg When the battery is bein g charged, flammable hydrogen gas is generated and may explo includes dilute sulphuric cause serious personal de. In addition, the battery electrolyte acid. Any mistake in handling may injury, explosion, or fire, so always ttery, always wear protective goggles ets into your eyes, immediately wash ash mounts of fresh water. Afte r that , get ediately. If battery electrolyte g ets on your clothes or skin, wash it off e amounts of water.